NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Clayton, CA

9 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
1,316 listingsHow results are ordered
01

Aei Consultants

Walnut Creek, CA · (925) 746-6071

CA-CSLB 654919 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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02

Aiken Underground

Alamo, CA · (925) 215-0542

CA-CSLB 1093628 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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04

Alisto Inc

Walnut Creek, CA · (925) 279-5000

CA-CSLB 652544 · A C10 +1General engineering contractorElectricianAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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05

Altor Construction LLC

Walnut Creek, CA · (925) 639-4710

CA-CSLB 1055950 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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06

Amg Excavating Inc

Danville, CA · (925) 570-4630

CA-CSLB 1020169 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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07

Andersen Craig

Concord, CA · (925) 222-3408

CA-CSLB 556343 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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11

Aspire Builders

Danville, CA · (925) 594-6110

CA-CSLB 920386 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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12

Av III Inc

Antioch, CA · (925) 567-7037

CA-CSLB 1026584 · C7 C31ElectricianGeneral engineering contractor
License activechecked Oct 24, 2026
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15

Ball Gordon N Inc

Walnut Creek, CA · (925) 838-5675

CA-CSLB 710807 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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16

Bay Area Drainage Inc

Concord, CA · (925) 377-9209

CA-CSLB 762208 · A C12 +1General engineering contractorExcavation, grading and pavingLandscaper
License activechecked Oct 24, 2026
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17

Bay Area Earthworks Inc

Concord, CA · (925) 807-8007

CA-CSLB 1073685 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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18

Bay Area Greenscapes Inc

Concord, CA · (925) 377-9209

CA-CSLB 938445 · A C12 +1General engineering contractorExcavation, grading and pavingLandscaper
License activechecked Oct 24, 2026
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